The National Archives Catalog

Media Occurrence Note

 
Mandatory Repeatable Data Type Authority Level Available A/V Only Public Element
No No Variable Character Length (700) None Series
File Unit
Item
No Yes

 

Definition: Explanations or significant information relating to the media occurrence of the archival materials.

 

Purpose: Provides information about the physical description of the archival materials and explains further any elements used to describe the media occurrence of the archival materials.

 

Relationship: This element is dependent on Specific Media Type. Each media occurrence of the archival materials must have a specific media type specified to create Media Occurrence Note.

 

Guidance:

Enter any significant information about the media being described. Enter further explanations as needed for any of the media occurrence elements.

Do not use this element to describe physical reasons for access restrictions, instead use Physical Restriction Note. Physical reasons are often preservation requirements, such as the need to acclimate materials stored in a cold vault.

Write in complete sentences. Be precise and brief. Do not use acronyms or organizational designations that are not defined in either Title or Scope and Content Note. If Media Occurrence Note uses an acronym that is not defined in either Title or Scope and Content Note, define the acronym the first time that it is used in Media Occurrence Note. Consult the Abbreviations section for further guidance on other abbreviation topics.

 

Examples:

 

The images are in the Joint Photographic Experts Group (JPEG) format, with files sizes ranging from 49 kilobytes to 18.53 megabytes. The images range in size from 8" x 1.5" at 100dpi to 24" x 16" at 300dpi.

 

This reel contains music and sound effects.

 

Letter box version.

 

Side A is the accessioned program. Side B is "Gunsmoke" No. 344.

 

These images were made by the albumen and collodion processes.


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